278315216

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{424261}}^1$

素因数の和:424310

約数の個数: 20

約数和(自身を含む): 552389124

約数和(自身を除く): 274073908

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 424261, 848522, 1697044, 3394088, 6788176, 17394701, 34789402, 69578804, 139157608, 278315216]

約数ペア:

[(1, 278315216), (2, 139157608), (4, 69578804), (8, 34789402), (16, 17394701), (41, 6788176), (82, 3394088), (164, 1697044), (328, 848522), (656, 424261)]